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1. The force that holds the planets in orbit around the Sun is called A. motion B. friction C. pressure D. gravity 2. How are speed and velocity different? A. a change of distance B. a change of direction C. a change of position D. a change of acceleration 3. What is the average speed of the bicycle? A. 0 m/s B. 2.0 m/s C. 3.0 m/s D. 4.0 m/s 4. Which graph represents a car with the motion described in the table? A. B. C. D. 5. Which row of the table could be a correct representation of the ojects's speed between 0 and 6 seconds? A. Row A B. Row B C. Row C D. Row D 6. Rapid direction change indicates a change in ______________________ of the cheetah. A. I and II B. I and III C. II and III D. I, II, and III 7. What is the best description of the motion of the ball? A. at rest B. constant speed C. beginning to speed up D. beginning to slow down 8. Speed of the toy car? cm/s 9. Acceleration problem type your answer in the box m/s2 10. Mass of the car? kg H. cart speed increases because the forces are unbalanced F. cart speed decreases because of friction between the cart and ramp J. cart speed decreases because the forces are balanced G. cart speed increases because the force is greater than the force of gravity 11. Which of these best explains the students data? 12. What is the net force? B. is traveling in the opposite direction from the other two vehicles C. is travleing on a curve in the road A. can accelerate faster than the other two vehicles D. needs a large amount of force to move 13. The pickup truck has a changing velocity because the pickup truck 14. What was the average speed of the toy car during the two trials to the nearest tenth of a m/s? C. Student walks 1.5 km to a friends house in 30 then walks 1.5 km to school in 30 minutes. B.Student walks 1.5 km to a friends house in 20 then walks 1.5 km to school in 40 minutes. D.Student walks 1.5 km to a friends house in 20 then walks 1.5 km to school in 60 minutes. A. Student walks 1.5 km to a friends house in 40 then walks 1.5 km to school in 20 minutes. 15. Which of these situations is represented by the graph? |